code: def __init__(self, task, encoder, decoder):
      super().__init__(task, encoder, decoder)
  
imports: import logging
  from ast import literal_eval
  import torch
  import torch.nn.functional
  from fairseq.models import FairseqEncoder, register_model, register_model_architecture
  from pytorch_translate import char_encoder, model_constants, rnn, utils, vocab_constants
  from pytorch_translate.common_layers import Embedding, VariableTracker
  from pytorch_translate.data.dictionary import TAGS
label_desc: Use image node_id 1 to create a new CharSourceModel object from inherited base classes: rnn with example: obj = CharSourceModel(task, encoder, decoder)